DIGITAL NOISE GENERATING APPARATUS
Assignee
Northrop
Filed as: NORTHROP GRUMMAN CORPORATION
Filed
Oct 25, 1977
Granted
Aug 2, 1983
Location
1840 CENTURY PARK EAST, LOS ANGELES CALIFORNIA 90067
Abstract
A digital noise generator, wherein pseudo-random rapidly changing analog input voltages to a voltage controlled oscillator are used to generate corresponding rapidly changing discrete frequency outputs, is disclosed. Means are provided to delay the oscillator output by an amount at least equal to the rise time between each frequency change. The delayed and non-delayed oscillator outputs are electrically coupled through a switch that operates at times and at a rate to eliminate the rise time between frequency changes and thus improve the frequency spectrum.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jan 29, 1982
Rescinded
Feb 7, 1983
Duration
1 year
Record Details
- Patent number
- US 4396894
- Application
- 05847469
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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